﻿// This file is part of DesktopGap (http://desktopgap.codeplex.com)
// Copyright (c) rubicon IT GmbH, Vienna, and contributors
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// Additional permissions are listed in the file DesktopGap_exceptions.txt.
// 

using System;

namespace DesktopGap.AddIns
{
  public abstract class AddInBase : IDisposable, IEquatable<AddInBase>
  {
    public abstract String Name { get; }

    public virtual void OnBeforeLoad (HtmlDocumentHandle document)
    {
    }

    public virtual void OnBeforeUnload (HtmlDocumentHandle document)
    {
    }

    public abstract void Dispose ();

    public bool Equals (AddInBase addIn)
    {
      return Name == addIn.Name;
    }

    public override bool Equals (object obj)
    {
      using (var addIn = obj as AddInBase)
      {
        return addIn != null && Equals (addIn);
      }
    }

    public override int GetHashCode ()
    {
      return Name.GetHashCode();
    }
  }
}